Another secret round: Colin joins the new judge at the door, making fans believe the Irish chef's secret round is set to return in 2016

Guessing games: The 30 second promo shows the mystery brunette from behind and a close up of her hand as she rings the doorbell in traditional MKR style

Keeping her covered: The Irish chef is seen winking at the camera before turning back to face the door, all the while keeping his new co-star covered from the camera

The 90 second clip begins centred in on two high back buttoned sofa chairs, pulling out to reveal a decadently decorated table in what's meant to be an average Australian backyard.

The courtyard is then filled with the contestants who come to the table and are surprised by the food that pops up on the plates laid out in front of them.

Manu and Pete arrive and the party gets merry as they all enjoy themselves while cleaning their knives and giving each other knowing glances.

Making their way to the table: The contestants are seen making their way through a garden to a decadently decorated outdoor table setting

The Miner Diners: Two young lads in colour co-ordinated outfits are shown as The Miner Diners

The Battlers: The couple, who are the only pair to be shown kissing in the clip, are set to have a suburban tale

The Young Guns: The casually attired duo appear to be a brother and sister combo in the competition

So far what we know of the contestants includes: two young boys dubbed 'The Miner Diners' who are dressed in colour co-ordinated blue shirt ensembles.

Then there are 'The Battlers', a bald gentleman in a check shirt with a woman in an orange top who are the only pair shown kissing in the clip.

'The Young Guns' are a blonde pair, who appear to be a brother and sister combo, with the guy sporting long hair and wearing a grey shirt, while the girl has a short curly bob and is in a floral dress.

The Italianos: Two suited middle-aged men are in the upcoming cooking competition, presumably with an Italian food speciality

The Legal Eagels: The well dressed young duo look ready to fight for the title

The Cops: Two young females with black dyed hair give steely looks to their competitors as they take their place as the table

Two middle-aged men in suits walk into the party are tagged 'The Italianos', while a well dressed young couple are touted as 'The Legal Eagles'.

And lastly there appear to be two two young females with dyed black hair, who will be known as 'The Cops'.

While the couples and their nicknames have somewhat been revealed, it's not yet known which state the contestants are actually from or their names and ages.

Cheers: The teams cheers with their champagne glasses as the games begin for another year

The knives come out! The Legal Eagles are seeing cleaning their knives with looks of disdain on their faces

Having a ball! Judges Manu Feidel and Pete Evans are seen laughing and joking with their new crop of contestants in the promo video

Who is it? Manu and Pete give each other cautionary looks as the doorbell rings

Traditionally the information is drip fed across the summer, with most details being revealed during the Seven Network's telecast of the Australian Open, which is just before the new season kicks off.

Last year the show promoted Colin from a guest to main judge and added a 'secret round' to spice up the reality TV show, which is now going into it's seventh season.

Here to ruin the party? The contestants have mixed reactions to seeing the extra judges arrive